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What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
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Technically, the first raises a Runtim>me m>Error with the m>me m>ssage set to "foo", and the second raises an Exception with the m>me m>ssage set to "foo".
Practically, there is a significant difference between when you would want to use the form>me m>r and when you want to use t...
How to change variables value while debugging with LLDB in Xcode?
...ork in the debugger. lldb probably interprets it as you wanted to access a m>me m>mber of a c-struct, but I'm not sure if this is the reason it won't work. Dot-Syntax doesn't work for po either. instead of po label.text you have to use po [label text]
– Matthias Bauch
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How can I use grep to show just filenam>me m>s on Linux?
How can I use grep to show just file-nam>me m>s (no in-line matches) on Linux?
4 Answers
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Is Java RegEx case-insensitive?
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RegexBuddy is telling m>me m> if you want to include it at the beginning, this is the correct syntax:
"(?i)\\b(\\w+)\\b(\\s+\\1)+\\b"
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improv...
Providing a default value for an Optional in Swift?
... case .None:
return defaultValue
case .Som>me m>(let value):
return value
}
}
}
Then you can just do:
optionalValue.or(defaultValue)
However, I recomm>me m>nd sticking to the ternary operator as other developers will understand that much more ...
How do I write a “tab” in Python?
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This is the code:
f = open(filenam>me m>, 'w')
f.write("hello\talex")
The \t inside the string is the escape sequence for the horizontal tabulation.
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im...
Start service in Android
...via adb logcat, DDMS, or the DDMS perspective in Eclipse) should turn up som>me m> warnings that may help.
More likely, you should start the service via:
startService(new Intent(this, UpdaterServiceManager.class));
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Matplotlib - global legend and title aside subplots
I've started with matplot and managed som>me m> basic plots, but now I find it hard to discover how to do som>me m> stuff I need now :(
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How to change the value of ${user} variable used in Eclipse templates
...ing the default @author template I would like Eclipse to use user's real nam>me m> taken from account information (in Linux - but Windows solution is also welcom>me m>). Entering it som>me m>where into Eclipse configuration would be acceptable, too, alas I can't find the right place.
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Maintaining the final state at end of a CSS3 animation
I'm running an animation on som>me m> elem>me m>nts that are set to opacity: 0; in the CSS. The animation class is applied onClick, and, using keyfram>me m>s, it changes the opacity from 0 to 1 (among other things).
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